TONY IOMMI Remembers Brief Stint With JETHRO TULL – “I Felt Really Weird Not Being With The Other Guys” - BraveWords
Ian Anderson interviews
Music Legends – Black Sabbath Special Edition by The Rock Review Music Legends Library - Issuu
20 Surprising Facts About BLACK SABBATH
Timeline Page – Black Sabbath Online
geezer butler
Timeline Page – Black Sabbath Online
Ian Anderson Would Have Changed Jethro Tull for Tony Iommi
Music Legends – Black Sabbath Special Edition by The Rock Review Music Legends Library - Issuu
geezer butler
Heavy Metal Archives - Page 127 of 331 - The Pit
Why is Black Sabbath underappreciated? - Quora